Yes, in order to participate on a MindMixer site, you must create a MindMixer account. Once you create your account, it must be verified using a verification email sent to you.
We require an account for all contributors and participants to avoid fraud and abuse on each site.
You'll see the welcome screen to log into your account. There are four ways to make an account and login. You can use your Facebook, Google or LinkedIn credentials or sign up using your email address. Just click, "Log In" and you're all set!
Note: If you do not see the verification in your normal inbox, check your junk or spam folder within your email account.